Discovery certificate for object 2020yx
TNS Astronomical Transient Report No. 58851 [ 2020TNSTR.147....1S ]

Date Received (UTC): 2020-01-15 16:10:34
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

R. Shirley, I. Perez-Fournon, C. Jimenez Angel, F. Poidevin, (IAC & ULL), R. Marques-Chaves (CAB), S. Geier (GRANTECAN & IAC), Y. Shu (IoA), S. Rodney, J. Roberts-Pierel (Univ. of South Carolina), A. Bolton (NSF's OIR Lab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020yx
Discoverer internal name: ZTF20aaevnxy
Coordinates (J2000): RA = 14:36:06.763 (219.028179) DEC = +49:43:12.08 (49.720022)
Discovery date: 2020-01-08 13:21:40.000 (JD=2458857.056713)

Potential host galaxy: SDSS J143607.49+494313.2
Host redshift: 0.125351

Remarks: Data were provided by the Zwicky Transient Facility ( and processed through the Lasair (, ALeRCE (, ANTARES (, and MARS ( brokers.


Discovery (first detection):
Discovery date: 2020-01-08 13:21:40.000
Flux: 20.271 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-05 13:18:26
Limiting flux: 20.757 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: